Lapsed Feb 11, 2024 on the fee record · High confidence
20-year base term ends Nov 20, 2035
First maintenance fee unpaid; grace period ended.
Held by Lucidity Lights, Inc. and 3336820 Nova Scotia Limited
Filed Feb 28, 2017 as application 15/445,583 · Granted Feb 11, 2020
Base term, 20 years from filing, plus 233 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 11, 2024
2015
2036
Clock starts
Nov 20, 2015
Nov 20, 2015
No longer in force
Feb 11, 2024
Feb 11, 2024
Granted
Feb 11, 2020
Feb 11, 2020
Term would have run to
Jul 10, 2036
Jul 10, 2036
base term
patent term adjustment
after the term ends
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
233
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jul 10, 2036: its 20-year base term plus 233 days of term adjustment for prosecution delay. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 20, 2015, when applications 29/546,289 and 29/546,295, the earliest non-provisional applications in its chain, were filed (this one was filed Feb 28, 2017) | Nov 20, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +233 days, USPTO patent term adjustment record | Jul 10, 2036 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Feb 11, 2024 | High confidence |
| Computed term end | The steps above, in order | Feb 11, 2024 | High confidence |
This family
| US D781,478 | In force Mar 2032 | Mar 2032 |
| US D780,368 | In force Feb 2032 | Feb 2032 |
| US 10,557,598 | this patent Feb 2024 | Feb 2024 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 31, 2019 Reel 51391, frame 427 | Smith, Jennifer Leigh; Bernal, Joe | Evolution Lighting, LLC | Assignment of Assignor's Interest |
| Feb 17, 2020 Reel 51831, frame 111 | Evolution Lighting, LLC; Electrix, LLC | Cibc Bank USA, Formerly Known as the Privatebank and Trust Company | Security Interest |
| May 6, 2020 Reel 52585, frame 254 | Cibc Bank USA (Formerly Known as the Privatebank and Trust Company) | Evolution Lighting, LLC | Partial Release of Security Interest in Patents |
| May 29, 2020 reel/frame not recorded | Evolution Lighting (Asia), Ltd.; Evolution Lighting Canada, Inc.; Evolution Lighting, LLC | Lucidity Lights, Inc. | Assignment of Assignor's Interest |
| May 29, 2020 reel/frame not recorded | Evolution Lighting (Asia), Ltd.; Evolution Lighting Canada, Inc.; Evolution Lighting, LLC | 3336820 Nova Scotia Limited | Assignment of Assignor's Interest |
| May 29, 2020 Reel 53482, frame 563 | Evolution Lighting, LLC; Evolution Lighting Canada, Inc.; Evolution Lighting (Asia), Ltd. | Lucidity Lights, Inc.; 3336820 Nova Scotia Limited | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 233 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2020 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.